tìm lỗi sai
1) they crowd was shouting excitectly when nam was sooning a goal
2) when the teacher was coming in the classroom , we were discussing our project
3) while her mother arrvied home , it was raining heavily
4) the accident was happening when it got dark
5) I drove to work when I suddenly met old friend
6) my brother was playing football since he broke his arm
7) we were watching TV , when the power was going out
8) I was pick you off at your hotel at 7 o'clock tomorrow morning
9) my brother was preparing dinner when my father comes home yesterday
10) there are so many another places that we have never seen in our life
was sooning - sooned
was coming - came
while => when
was happening => happened
drove => was driving
since => when
was going => went
was => will (có was pick in nghiêng nguyên cụm k ta, nếu in nguyên cụm was pick thì sửa thành will be picking :D)
comes => came
another places => other places